Q: What are the prime factors of the number 422,040,304?

 A: 2, 7, 127, 29671

Why are those the prime factors of the number 422,040,304?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 422,040,304

422,040,304
Factor Arrows
2211,020,152
Factor Arrows
2105,510,076
Factor Arrows
252,755,038
Factor Arrows
226,377,519
Factor Arrows
73,768,217
Factor Arrows
12729,671

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 7, 127, 29671

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 127 x 29,671 = 422,040,304

This can also be written as 24 x 71 x 1271 x 29,6711 = 422,040,304

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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